mod_cache - Apache HTTP サーバ バージョン 2.2Please note This document refers to the 2.2 version of Apache httpd, which is no longer maintained. The active release is documented here. If you have not already upgraded, please follow this link for more information. You may follow this link to go to the current version of this document.
おそらくはそれさえも平凡な日々: Akamaiが想像以上に物凄かった件 in Akamai勉強会
https://labs.cybozu.co.jp/blog/kazuho/archives/2007/05/cache_adaptive.php
